Nut



FIG. 1 is a front elevational view of a nut showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line boundary surrounding the central opening of the nut is the boundary of the claimed design. The broken lines inside this boundary show the environment of the design and are for illustrative purposes only. 

The ornamental design for a nut, as shown and described. 